Trade Effluent Billing Technologist

Thames Water Utilities Limited; Greater London; Hybrid; GBP 33,000 - 38,000; Full time

Benefits offered by this job

26 days holiday increasing to 30 with

Generous pension scheme

Health and wellbeing benefits

Cycle to Work scheme

Job summary

Thames Water is recruiting a Trade Effluent Billing Technologist to join the Asset Operations & Capital Delivery team. The role supports accurate billing for non-domestic customers and liaises with retailers and other water companies to resolve queries.

You will help ensure compliance with the Water Industry Act 1991 and MOSL Market Codes, while building strong retailer relationships to improve BRMEX scores.

Qualifications

• Experience in customer-facing roles delivering quality service.
• Strong communication, relationship-building and negotiation skills across stakeholders.
• Confidence working with data and interpreting written information.
• IT literate, comfortable with Microsoft Office.

Responsibilities

• Ensure Trade Effluent charges are calculated and raised correctly for non-domestic customers.
• Communicate with retailers, other water companies, and internal teams to resolve billing queries and ensure compliance.
• Respond to retailer enquiries within service levels, providing clear and accurate information.
• Support Trade Effluent team in meeting regulatory obligations under the Water Industry Act 1991 and MOSL Market Codes.
• Build strong relationships with retailers to improve performance measures (BRMEX).
• Deliver excellent customer service to retailers and customers, protecting Thames Water’s reputation.

Skills

Customer-facing

Communication

Relationship-building

Negotiation

Data interpretation

IT literacy

Tools

Microsoft Office

Job description

Hybrid - Beckton (STW) - IG11 0AD, Hybrid - Clearwater Court - RG1 8DB, Hybrid - Crossness (STW) - SE2 9AQ, Hybrid - Walnut Court - SN2 8BN

Job title Trade Effluent Billing Technologist Ref 46153 Division Asset Operations & Capital Delivery Location Hybrid - Beckton (STW) - IG11 0AD, Hybrid - Clearwater Court - RG1 8DB, Hybrid - Crossness (STW) - SE2 9AQ, Hybrid - Walnut Court - SN2 8BN Contract type Permanent Full/Part-time Full-time Salary Competitive salary £33,450 to £38,000 per annum (depending on skills and experience) Job grade B Closing date 09/11/2026

Are you interested in developing new skills? We're looking for a Trade Effluent Billing Technologist to join our team, supporting the accurate and fair billing of trade effluent services for our business customers.

What you’ll be doing as a Trade Effluent Billing Technologist

• Making sure Trade Effluent charges are calculated and raised correctly for non-domestic customers.
• Communicating with retailers, other water companies, and internal teams to resolve billing queries and ensure compliance.
• Responding to retailer enquiries within set service levels, providing clear and accurate information.
• Supporting Trade Effluent team in meeting regulatory obligations under the Water Industry Act 1991 and MOSL Market Codes.
• Building strong working relationships with retailers to improve performance measures (such as BRMEX scores).
• Delivering excellent customer service to retailers and customers, helping to maintain Thames Water’s reputation.

Base Location: Hybrid role

Working Hours: 36 hours Mon-Fri

What you should bring to the role

• Experience in customer-facing roles and delivering quality service. Strong communication, relationship-building and negotiation skills across different stakeholders.
• Confidence working with data and interpreting written information.
• IT literate, comfortable with Microsoft Office.

What’s in it for you?

• Competitive salary£33,450 to £38,000 per annum. (depending on skills and experience)
• 26 days holiday per year, increasing to 30 with length of service. (plus bank holidays)
• Generous Pension Scheme through AON.
• Access to lots of benefits to help you take care of yourself and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process . If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support .

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.